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regex: avoid infinite configure test
authorEric Blake <eblake@redhat.com>
Thu, 31 Jan 2013 22:57:38 +0000 (15:57 -0700)
committerEric Blake <eblake@redhat.com>
Thu, 31 Jan 2013 23:06:21 +0000 (16:06 -0700)
commita0b25daf001cb1a0352f329e2b5e1640acc88541
tree1c1bf0bb27c54b7fca84655b86970023eedd8046tree | snapshot
parent9fdffffad88a06f406d74ea9b23643a05a4069efcommit | diff
regex: avoid infinite configure test

At least glibc 2.15 on Ubuntu ended up hanging.

* m4/regex.m4 (gl_REGEX): Add an alarm escape hatch.
Reported by Reuben Thomas.

Signed-off-by: Eric Blake <eblake@redhat.com>
ChangeLog diff | blob | history
m4/regex.m4 diff | blob | history
gnulib debian + stable branches